MrBadmusAI

Year 9 · Summer First Half

Chemistry

2 lessons from 1 unit.

Unit C10 · lessons 3 to 4 of 6

The Earth and its atmosphere

Everything we build with came out of the crust, and the thin skin of gas above it is the other finite thing on the list.

  1. 03The rock cycleProcessThe stone in a cathedral wall was once sand on a beach, and before that a mountain, and before that molten. Nothing about a rock is permanent except the atoms.Open this lesson
  2. 04A planet with limits: resources and recyclingSystemEverything manufactured on Earth came out of the crust, and the crust is not being topped up. Recycling sends some of it round again — but only some, and how much depends on the material, not on how carefully you sort it.Open this lesson

Back to all three sciences this half term The whole KS3 Chemistry course